--- tdtool/CMakeLists.txt
+++ tdtool/CMakeLists.txt
@@ -49,7 +49,7 @@ IF (UNIX)
 			WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
 			COMMENT "Generating man file tdtool.1"
 		)
-		INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/tdtool.1 DESTINATION share/man/man1)
+		INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/tdtool.1 DESTINATION ${MAN_DIR}/man1)
 	ENDIF (GENERATE_MAN)
 ENDIF (UNIX)
 
